/********************************************************************************
* Copyright (c) 2009, Matteo Pelati (matteo.pelati@gmail.com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the <organization> nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Matteo Pelati ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**************************************************************************************/


#pragma once


#include <fstream>
#include <string>
#include <cstdlib>
#include <stdlib.h>
#include <stdio.h>
#include <vcclr.h>
#include "dbxml/DbXml.hpp"
#include "dbXmlLib.h"
#include "DbXmlResults.h"
#include "DbXmlValue.h"
#include "DbXmlTransaction.h"
#include "DbXmlTransaction.h"

using namespace DbXml;
using namespace System;
using namespace System::Collections::Generic;
using namespace std;


namespace BerkeleyDB { namespace Xml
{

	[Flags] public enum class DbXmlQueryExpressionFlags 
	{
		ReadCommitted = DB_READ_COMMITTED,
		ReadUncommitted = DB_READ_UNCOMMITTED,
		AcquireWriteLock = DB_RMW,
		LazyDocs = DBXML_LAZY_DOCS,
		DocumentProj = DBXML_DOCUMENT_PROJECTION,
		WellFormedOnly = DBXML_WELL_FORMED_ONLY,
		NoAutoCommit = DBXML_NO_AUTO_COMMIT
	};

	public ref class DbXmlQueryExpression : DbGenericObject
	{
	private:
		XmlQueryExpression* n_qexp;
	internal:
		XmlQueryExpression* GetInnerObject()
		{
			return n_qexp;
		}
		/*
		DbXmlQueryExpression(DbGenericObject^ parent, XmlQueryExpression* exp) : DbGenericObject(parent)
		{
			n_qexp = exp;
		}
		*/
		DbXmlQueryExpression(DbGenericObject^ parent, XmlQueryExpression& exp) : DbGenericObject(parent)
		{
			n_qexp = new XmlQueryExpression(exp);
		}
	public:
		~DbXmlQueryExpression()
		{
			GC::SuppressFinalize(this);
			this->!DbXmlQueryExpression();
		}
		!DbXmlQueryExpression()
		{
			delete n_qexp;
		}
	public:

		PROPERTY_RET_CSTRING_GET(Query,, Query);

		DbXmlResults^ Execute(DbXmlQueryContext^ ctx, DbXmlQueryExpressionFlags flags);
		DbXmlResults^ Execute(DbXmlValue^ value, DbXmlQueryContext^ ctx, DbXmlQueryExpressionFlags flags);
		DbXmlResults^ Execute(DbXmlTransaction^ txn, DbXmlQueryContext^ ctx, DbXmlQueryExpressionFlags flags);
		DbXmlResults^ Execute(DbXmlTransaction^ txn, DbXmlValue^ value, DbXmlQueryContext^ ctx, DbXmlQueryExpressionFlags flags);
		bool IsUpdateExpression();

	};

}}